ἵστασθαι (from ἱστάναι) “to stand,” referring to that which forms a basis. It means that which relates to a subsistence, person, or personality. The Council of Alexandria in A.D. 362 defined hypostasis as synonymous with person. “Hypostatic union,” then, refers to a personal union and has as its technical meaning the union of the divine and the human natures in Christ. The hypostatic union, let it be said, is not synonymous with either the virgin birth or the incarnation. The last is the broadest